make amqp consume generic and split traits

This removes the final library specfic type from the traits.

ofborg/src/bin/builder.rs

@@ -2,7 +2,7 @@ use amqp::Basic;
 use log::{info, log, warn};
 use ofborg::checkout;
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::notifyworker;
 use ofborg::tasks;
 

ofborg/src/bin/evaluation-filter.rs

@@ -1,7 +1,7 @@
 use amqp::Basic;
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 

ofborg/src/bin/github-comment-filter.rs

@@ -1,7 +1,7 @@
 use amqp::Basic;
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 

ofborg/src/bin/github-comment-poster.rs

@@ -1,7 +1,7 @@
 use amqp::Basic;
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 

ofborg/src/bin/log-message-collector.rs

@@ -1,6 +1,6 @@
 use log::{info, log};
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::tasks;
 use ofborg::worker;
 

ofborg/src/bin/mass-rebuilder.rs

@@ -2,7 +2,7 @@ use amqp::Basic;
 use log::{error, info, log};
 use ofborg::checkout;
 use ofborg::config;
-use ofborg::easyamqp::{self, TypedWrappers};
+use ofborg::easyamqp::{self, ChannelExt, ConsumerExt};
 use ofborg::stats;
 use ofborg::tasks;
 use ofborg::worker;

ofborg/src/bin/stats.rs

@@ -1,7 +1,7 @@
 use amqp::Basic;
 use hyper::server::{Request, Response, Server};
 use log::{info, log};
-use ofborg::easyamqp::TypedWrappers;
+use ofborg::easyamqp::{ChannelExt, ConsumerExt};
 use ofborg::{config, easyamqp, stats, tasks, worker};
 
 use std::env;

ofborg/src/easyamqp.rs

@@ -296,53 +296,22 @@ pub fn session_from_config(config: &RabbitMQConfig) -> Result<amqp::Session, amq
     Ok(session)
 }
 
-pub trait TypedWrappers {
+pub trait ChannelExt {
     type Error;
-
-    fn consume<T>(&mut self, callback: T, config: ConsumeConfig) -> Result<(), Self::Error>
-    where
-        T: amqp::Consumer + 'static;
-
-    fn declare_exchange(
-        &mut self,
-        config: ExchangeConfig,
-    ) -> Result<(), Self::Error>;
-
-    fn declare_queue(
-        &mut self,
-        config: QueueConfig,
-    ) -> Result<(), Self::Error>;
-
-    fn bind_queue(
-        &mut self,
-        config: BindQueueConfig,
-    ) -> Result<(), Self::Error>;
+    fn declare_exchange(&mut self, config: ExchangeConfig) -> Result<(), Self::Error>;
+    fn declare_queue(&mut self, config: QueueConfig) -> Result<(), Self::Error>;
+    fn bind_queue(&mut self, config: BindQueueConfig) -> Result<(), Self::Error>;
 }
 
-impl TypedWrappers for amqp::Channel {
+pub trait ConsumerExt<T> {
+    type Error;
+    fn consume(&mut self, callback: T, config: ConsumeConfig) -> Result<(), Self::Error>;
+}
+
+impl ChannelExt for amqp::Channel {
     type Error = amqp::AMQPError;
 
-    fn consume<T>(&mut self, callback: T, config: ConsumeConfig) -> Result<(), Self::Error>
-    where
-        T: amqp::Consumer + 'static,
-    {
-        self.basic_consume(
-            callback,
-            config.queue,
-            config.consumer_tag,
-            config.no_local,
-            config.no_ack,
-            config.exclusive,
-            config.no_wait,
-            amqp::Table::new(),
-        )?;
-        Ok(())
-    }
-
-    fn declare_exchange(
-        &mut self,
-        config: ExchangeConfig,
-    ) -> Result<(), Self::Error> {
+    fn declare_exchange(&mut self, config: ExchangeConfig) -> Result<(), Self::Error> {
         self.exchange_declare(
             config.exchange,
             config.exchange_type.into(),
@@ -356,10 +325,7 @@ impl TypedWrappers for amqp::Channel {
         Ok(())
     }
 
-    fn declare_queue(
-        &mut self,
-        config: QueueConfig,
-    ) -> Result<(), Self::Error> {
+    fn declare_queue(&mut self, config: QueueConfig) -> Result<(), Self::Error> {
         self.queue_declare(
             config.queue,
             config.passive,
@@ -372,10 +338,7 @@ impl TypedWrappers for amqp::Channel {
         Ok(())
     }
 
-    fn bind_queue(
-        &mut self,
-        config: BindQueueConfig,
-    ) -> Result<(), Self::Error> {
+    fn bind_queue(&mut self, config: BindQueueConfig) -> Result<(), Self::Error> {
         self.queue_bind(
             config.queue,
             config.exchange,
@@ -386,3 +349,21 @@ impl TypedWrappers for amqp::Channel {
         Ok(())
     }
 }
+
+impl<T: amqp::Consumer + 'static> ConsumerExt<T> for amqp::Channel {
+    type Error = amqp::AMQPError;
+
+    fn consume(&mut self, callback: T, config: ConsumeConfig) -> Result<(), Self::Error> {
+        self.basic_consume(
+            callback,
+            config.queue,
+            config.consumer_tag,
+            config.no_local,
+            config.no_ack,
+            config.exclusive,
+            config.no_wait,
+            amqp::Table::new(),
+        )?;
+        Ok(())
+    }
+}